CA2979307A1 - Recovery of gold from solution - Google Patents
Recovery of gold from solution Download PDFInfo
- Publication number
- CA2979307A1 CA2979307A1 CA2979307A CA2979307A CA2979307A1 CA 2979307 A1 CA2979307 A1 CA 2979307A1 CA 2979307 A CA2979307 A CA 2979307A CA 2979307 A CA2979307 A CA 2979307A CA 2979307 A1 CA2979307 A1 CA 2979307A1
- Authority
- CA
- Canada
- Prior art keywords
- gold
- solution
- aqueous
- containing organic
- aqueous stripping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 239000010931 gold Substances 0.000 title claims abstract description 128
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 122
- 238000011084 recovery Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 37
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims abstract description 11
- 235000010262 sodium metabisulphite Nutrition 0.000 claims abstract description 11
- 239000004296 sodium metabisulphite Substances 0.000 claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 239000000243 solution Substances 0.000 claims description 67
- 239000007787 solid Substances 0.000 claims description 12
- 238000005201 scrubbing Methods 0.000 claims description 10
- 239000003153 chemical reaction reagent Substances 0.000 claims description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 150000005690 diesters Chemical class 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- WBZKQQHYRPRKNJ-UHFFFAOYSA-L disulfite Chemical compound [O-]S(=O)S([O-])(=O)=O WBZKQQHYRPRKNJ-UHFFFAOYSA-L 0.000 claims 1
- 239000012074 organic phase Substances 0.000 description 26
- 238000000605 extraction Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 239000012535 impurity Substances 0.000 description 11
- 239000008346 aqueous phase Substances 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- KYARBIJYVGJZLB-UHFFFAOYSA-N 7-amino-4-hydroxy-2-naphthalenesulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=CC(N)=CC=C21 KYARBIJYVGJZLB-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000000918 plasma mass spectrometry Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/06—Chloridising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
- C22B11/042—Recovery of noble metals from waste materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G7/00—Compounds of gold
- C01G7/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/16—Extraction of metal compounds from ores or concentrates by wet processes by leaching in organic solutions
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/262—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds using alcohols or phenols
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/40—Mixtures
- C22B3/402—Mixtures of acyclic or carbocyclic compounds of different types
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20155187A FI20155187A (fi) | 2015-03-18 | 2015-03-18 | Kullan talteenotto liuoksesta |
| FI20155187 | 2015-03-18 | ||
| PCT/FI2016/050161 WO2016146892A1 (en) | 2015-03-18 | 2016-03-17 | Recovery of gold from solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2979307A1 true CA2979307A1 (en) | 2016-09-22 |
Family
ID=55661472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2979307A Abandoned CA2979307A1 (en) | 2015-03-18 | 2016-03-17 | Recovery of gold from solution |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US10144989B2 (fi) |
| CN (1) | CN107429314A (fi) |
| AU (1) | AU2016232007B2 (fi) |
| CA (1) | CA2979307A1 (fi) |
| EA (1) | EA033385B1 (fi) |
| FI (1) | FI20155187A (fi) |
| MX (1) | MX2017011687A (fi) |
| PE (1) | PE20171520A1 (fi) |
| WO (1) | WO2016146892A1 (fi) |
| ZA (1) | ZA201706349B (fi) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3736126A (en) * | 1971-09-24 | 1973-05-29 | Atomic Energy Commission | Gold recovery from aqueous solutions |
| ZA72446B (en) | 1972-01-21 | 1973-06-27 | Anglo Amer Corp South Africa | Producing high purity gold powder |
| US3856507A (en) * | 1973-03-12 | 1974-12-24 | Owens Illinois Inc | Recovery of gold from solution in aqua regia |
| GB2349876B (en) | 1999-05-10 | 2003-03-05 | Rio Tinto Technology Dev Ltd | Process for the Recovery of Noble Metals |
| AU2001257646A1 (en) | 2000-04-28 | 2001-11-12 | Mintek | Gold recovery process |
| RU2176278C1 (ru) * | 2000-05-03 | 2001-11-27 | ОАО "Красноярский завод цветных металлов имени В.Н. Гулидова" | Способ выделения золота из золотосодержащего цинкового осадка |
| CN100424201C (zh) * | 2006-03-01 | 2008-10-08 | 张勇 | 一种快速优化湿法提纯金、银的方法 |
| CN101619391B (zh) * | 2009-08-10 | 2011-11-16 | 暨南大学 | 从氰化浸金贫液中分离萃取金的方法 |
| EP2558605A1 (en) * | 2010-04-15 | 2013-02-20 | Advanced Technology Materials, Inc. | Method for recycling of obsolete printed circuit boards |
| FI122685B (fi) * | 2010-06-09 | 2012-05-31 | Outotec Oyj | Menetelmä kullan ottamiseksi talteen neste-nesteuutolla |
| CN105274338A (zh) * | 2010-08-20 | 2016-01-27 | 安格斯公司 | 从电子垃圾回收贵金属和贱金属的可持续方法 |
| EP2790845B1 (en) * | 2011-12-15 | 2017-02-08 | Entegris Inc. | Apparatus and method for stripping solder metals during the recycling of waste electrical and electronic equipment |
-
2015
- 2015-03-18 FI FI20155187A patent/FI20155187A/fi not_active Application Discontinuation
-
2016
- 2016-03-17 US US15/557,885 patent/US10144989B2/en not_active Expired - Fee Related
- 2016-03-17 AU AU2016232007A patent/AU2016232007B2/en not_active Ceased
- 2016-03-17 EA EA201791847A patent/EA033385B1/ru not_active IP Right Cessation
- 2016-03-17 MX MX2017011687A patent/MX2017011687A/es unknown
- 2016-03-17 CA CA2979307A patent/CA2979307A1/en not_active Abandoned
- 2016-03-17 WO PCT/FI2016/050161 patent/WO2016146892A1/en active Application Filing
- 2016-03-17 PE PE2017001528A patent/PE20171520A1/es unknown
- 2016-03-17 CN CN201680015794.6A patent/CN107429314A/zh active Pending
-
2017
- 2017-09-20 ZA ZA2017/06349A patent/ZA201706349B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EA201791847A1 (ru) | 2018-03-30 |
| US20180073103A1 (en) | 2018-03-15 |
| AU2016232007A1 (en) | 2017-09-28 |
| WO2016146892A1 (en) | 2016-09-22 |
| US10144989B2 (en) | 2018-12-04 |
| CN107429314A (zh) | 2017-12-01 |
| PE20171520A1 (es) | 2017-10-20 |
| MX2017011687A (es) | 2018-01-25 |
| AU2016232007B2 (en) | 2019-03-07 |
| EA033385B1 (ru) | 2019-10-31 |
| ZA201706349B (en) | 2020-01-29 |
| FI20155187A (fi) | 2016-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20220607 |
|
| FZDE | Discontinued |
Effective date: 20220607 |